Management unit existence determination system and management unit existence determination program

Abstract

A management unit existence determination system includes: a query transmitter configured to transmit a first query, in which management unit information indicating a management unit is included, and at least one second query, in which a part of the management unit information is changed is included, which are queries for confirming an existence of the management unit of a file management system, to a determination target apparatus; a receiver configured to receive a response to the first query and a response to the second query from the determination target apparatus; and a determiner configured to determine whether the management unit exists by comparing the response to the first query with the response to the second query received by the receiver.

What is claimed is: 
     
       1. A management unit existence determination system comprising:
 one or more memories that store one or more software components comprising processor executable instructions; 
 one or more hardware processors configured to execute the processor executable instructions to cause the one or more hardware processors to: 
 transmit a first query and a second query set to a determination target apparatus, wherein the first query includes a management unit information which indicates a management unit of a file management system, the file management system being configured to respond to the first query and the second query set in response to at least a part of a name of the management unit, the first query is to confirm the existence of the management unit of the file management system; 
 receive a response to the first query and a response to the second query set from the determination target apparatus; and 
 compare the response to the first query with the response to the second query set; and 
 determine the existence of the management unit based on a result of the comparison, 
 wherein the second query set comprises a first comparative query and a second comparative query, 
 wherein if the name of the management unit, which position is indicated by a management unit position information of the management unit information, has a series of characters and does not include a special character dot “.” at a first character position and includes the special character dot “.” at a second or subsequent character position, then the first comparative query has an alphanumerically-changed character which is positioned before the special character dot “.”, and the second comparative query has an alphanumerically-changed character which is positioned after the special character dot “.”, 
 wherein if the name of the management unit includes the special character dot “.” at the first character position, then the first comparative query has an alphanumerically-changed character which is positioned at a second or subsequent character position, and the second comparative query has an alphanumerically-changed character which is positioned closest to a last character position, 
 wherein if the name of the management unit does not include the special character dot “.” at any positions, then the first comparative query has an alphanumerically-changed character which is positioned at a first alphanumerical character position, and the second comparative query has an alphanumerically-changed character which is positioned at a last alphanumerical character position, 
 wherein comparing the response to the first query with the response to the second query set comprises performing a first comparison and a second comparison, the first comparison is to compare the first query with the first comparative query to determine whether the first query is identical in its feature with the first comparative query, and the second comparison is to compare the first query with the second comparative query to determine whether the first query is identical in its feature with the second comparative query, 
 wherein determining the existence of the management unit comprises determining that the management unit exists if the first query is not identical in its feature with the first comparative query and the first query is not identical in its feature with the second comparative query, and 
 wherein the alphanumerically-changed character is an alphanumerical character which is changed from an alphanumerical character. 
 
     
     
       2. The management unit existence determination system according to  claim 1 , wherein the second query set comprises:
 a query including a first partially changed management unit information which has been changed in a first part of the name of the management unit from the management unit information; and 
 a query including: a second partially changed management unit information which has been changed in a second part of the name of the management unit from the management unit information, wherein the second part is different from the first part. 
 
     
     
       3. The management unit existence determination system according to  claim 1 , wherein the part of the name of the management unit is at least one of first and last elements of the name of the management unit. 
     
     
       4. The management unit existence determination system according to  claim 1 ,
 wherein the management unit includes one or more groups, 
 wherein each of the one or more groups includes one or more elements, and 
 wherein the second query set includes in one of the first and last elements of a group of the one or more groups from the management unit information. 
 
     
     
       5. The management unit existence determination system according to  claim 1 ,
 wherein the management unit includes one or more groups, 
 wherein each of the one or more groups includes one or more elements, and 
 wherein a first element of the group of the one or more groups is a specific element, 
 wherein the second query set includes a partially changed management unit information which has been changed in a second element next to the first element of the group of the one or more groups from the management unit information. 
 
     
     
       6. The management unit existence determination system according to  claim 1 ,
 wherein the management unit includes one or more groups, 
 wherein each of the one or more groups includes one or more elements, and 
 wherein a last element of the group of the one or more groups is a specific element, 
 wherein the second query set includes a partially changed management unit information which has been changed in a last second element next to the last element of the group of the one or more groups from the management unit information. 
 
     
     
       7. A management unit existence determination method comprising:
 transmitting a first query and a second query set to a determination target apparatus, wherein the first query including a management unit information which indicates a management unit of a file management system, the file management system being configured to respond to the first query and the second query set in response to at least a part of a name of the management unit, the first query is to confirm the existence of the management unit of the file management system; 
 receiving a response to the first query and a response to the second query set from the determination target apparatus; 
 comparing the response to the first query with the response to the second query set; and 
 determining the existence of the management unit based on a result of the comparison, 
 wherein the second query set comprises a first comparative query and a second comparative query, 
 wherein if the name of the management unit, which position is indicated by a management unit position information of the management unit information, has a series of characters and does not include a special character dot “.” at a first character position and includes the special character dot “.” at a second or subsequent character position, then the first comparative query has an alphanumerically-changed character which is positioned before the special character dot “.”, and the second comparative query has an alphanumerically-changed character which is positioned after the special character dot “.”, 
 wherein if the name of the management unit includes the special character dot “.” at the first character position, then the first comparative query has an alphanumerically-changed character which is positioned at a second or subsequent character position, and the second comparative query has an alphanumerically-changed character which is positioned closest to a last character position, 
 wherein if the name of the management unit does not include the special character dot “.” at any positions, then the first comparative query has an alphanumerically-changed character which is positioned at a first alphanumerical character position, and the second comparative query has an alphanumerically-changed character which is positioned at a last alphanumerical character position, 
 wherein comparing the response to the first query with the response to the second query set comprises performing a first comparison and a second comparison, the first comparison is to compare the first query with the first comparative query to determine whether the first query is identical in its feature with the first comparative query, and the second comparison is to compare the first query with the second comparative query to determine whether the first query is identical in its feature with the second comparative query, 
 wherein determining the existence of the management unit comprises determining that the management unit exists if the first query is not identical in its feature with the first comparative query and the first query is not identical in its feature with the second comparative query, 
 wherein the alphanumerically-changed character is an alphanumerical character which is changed from an alphanumerical character.